Home / 131,817.24-197,725.80-52,931.45

Finding the Fourth Proportional to 131,817.24, 197,725.80 and 52,931.45

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Solution

The fourth proportional to 131,817.24, 197,725.80 and 52,931.45 is: 79,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,817.24 : 197,725.80 = 52,931.45 : x
  2. Step 2: Convert to fraction form
    131,817.24/197,725.80 = 52,931.45/x
  3. Step 3: Cross multiply
    131,817.24x = 197,725.80 × 52,931.45
  4. Step 4: Simplify right side
    131,817.24x = 10,465,912,307.78
  5. Step 5: Solve for x
    x = 10,465,912,307.78/131,817.24
  6. Step 6: Final answer
    x = 79,397.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.